SRAM Red E1 XG-1290 10-30 12 Speed Cassette Rainbow BSS-002809 and email notifications mid-ride (or

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SRAM Red E1 XG-1290 10-30 12 Speed Cassette Rainbow BSS-002809 and email notifications mid-ride (orAbout SRAM Red E1 XG 1290 10 30 12 Speed Cassette Rainbow Wide range and tight jumps? Why not both? SRAM's lightest, most durable cassette breaks new ground for gearing choices as well. Four distinct cassette options, including SRAM's first 10 30T and 10 36T RED cassettes, each provide secure shift ramps specifically designed for electronic shifting, whether racing road on a 10 28T or creating an all road setup with a 10 36T. Carefully chosen tooth